Table 2 Association of knee synovial abnormalities on ultrasound and knee pain severity
Synovial abnormalities | Knee pain severityb | ||
|---|---|---|---|
No pain | Mild to moderate pain | Severe to extreme pain | |
Synovial hypertrophy | |||
No, n (%) | 4145 (63.6) | 1937 (29.7) | 439 (6.7) |
Yes, n (%) | 360 (44.0) | 304 (37.2) | 154 (18.8) |
Crude OR (95% CI) | 1.00 (reference) | 1.81 (1.51, 2.16) | 4.04 (3.18, 5.13) |
Adjusted OR (95% CI)a | 1.00 (reference) | 1.79 (1.48, 2.15) | 3.67 (2.82, 4.78) |
Joint effusion | |||
No, n (%) | 3192 (64.6) | 1426 (28.9) | 323 (6.5) |
Yes, n (%) | 1313 (54.7) | 815 (34.0) | 270 (11.3) |
Crude OR (95% CI) | 1.00 (reference) | 1.39 (1.23, 1.57) | 2.03 (1.66, 2.48) |
Adjusted OR (95% CI)a | 1.00 (reference) | 1.41 (1.24, 1.60) | 1.93 (1.55, 2.39) |
Power Doppler signal | |||
No, n (%) | 4446 (62.4) | 2156 (30.2) | 530 (7.4) |
Yes, n (%) | 59 (28.5) | 85 (41.1) | 63 (30.4) |
Crude OR (95% CI) | 1.00 (reference) | 2.97 (2.09, 4.23) | 8.96 (5.99, 13.39) |
Adjusted OR (95% CI)a | 1.00 (reference) | 2.77 (1.92, 4.01) | 7.19 (4.50, 11.48) |